Prevents cold air from entering the house through the clothes dryer. Flap opens when dryer starts then flap closes when dryer stops. To install slide ducting over draft blocker collar and attach with a clamp (clamp not included). Press other end of draft blocker into aluminum vent pipe as a friction fit. Made of durable plastic. No. DB4ZW: Type: Flap Material: Durable Plastic Pkg Qty: 1 Package Type: Box
Dundas Jafine
Model No DB4ZW
UPC 060672280100
Material Durable Plastic
Type Flap
Canada